package org.linlinjava.litemall.db.dao;

import org.apache.ibatis.annotations.Param;

/**
 * @Author Administrator
 * @Date 2021/02/19
 */
public interface CouponMapper {
    /**
     * 领取优惠券减数量
     * @param id
     * @return
     */
    int reduceCouponNumber(@Param("id") Integer id);
}
